GNS 530(A) Pilot’s Guide and Reference
190-00181-00 Rev. E

SECTION 3

NAV PAGES
3-19

Seven display ranges are available, allowing for a

more complete view of the surrounding area.

Changing the display range:
Select the TAWS Page and press up or down
on the RNG Key to select the desired range:
1 nm, 2 nm, 5 nm, 10 nm, 25 nm, 50 nm,
100 nm (Figure 3-36).
Display Range Field
Figure 3-36 TAWS Display Range
Aviation information such as airports, VORs, and other
NAVAIDs can be turned on or off from the TAWS Page.
Showing or hiding aviation data:
1) Select the TAWS Page and press the MENU
Key.
2) Select ‘Show (or Hide) Aviation Data’ (Figure
3-37) and press the ENT Key. Pressing the CLR
Key when the TAWS Page is displayed can also
be used to toggle aviation information on or
off.
Figure 3-37 TAWS Page Menu
Inhibit Mode
TAWS also has an inhibit mode that deactivates the
FLTA/PDA aural and visual alerts. Pilots should use
discretion when inhibiting TAWS and always remember
to enable the system when appropriate. Only the FLTA
and PDA alert types are disabled in the inhibit mode. For
more information, see the section on TAWS alerts. See
Section 13.3 for more information on TAWS alerts.
Inhibiting TAWS:
1) Select the TAWS Page and press the MENU Key.
‘Inhibit Terrain?’ is selected by default (Figure
3-38).
Figure 3-38 TAWS Page Menu
2) Press the ENT Key. The ‘TER INHB’ annunciation
is displayed in the TAWS annunciator field
when TAWS is inhibited (Figure 3-39).
Annunciator Field
Figure 3-39 TAWS Annunciator Field
Enabling TAWS:
1) Select the TAWS Page and press the MENU
Key. ‘Enable Terrain?’ is selected by default.
2) Press the ENT Key. The TAWS syste m is
functional again.